HAIFA, Israel, April 22, 2014 (GLOBE NEWSWIRE) -- Pluristem Therapeutics, Inc. (Nasdaq:PSTI) (TASE:PLTR), a leading developer of placenta-based cell therapies, announced today that Company executives are actively participating in a series of meetings in Washington D.C. regarding proposed legislation that may impact the future of cell therapy and regenerative medicine in the U.S.